html {
    font-size: calc(100vw / 19.2);
  }
  
  #app {
    font-size: initial;
  }
  
  .App {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-image: url("/public/source/bg.png");
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    position: relative;
  }
  
  .left {
    fill: #834c144d;
      -webkit-backdrop-filter: blur(67.95704650878906px);
      backdrop-filter: blur(67.95704650878906px);
      border-radius: 16px;
      box-sizing: border-box;
      margin: 5vw 0 5vw 3vw;
      width: 45vw;
  
  }
  
  .content {
    position: relative;
    z-index: 1;
    margin: 0.45em 0.35em;
  }
  
  .secTitle {
    color: #fff;
      font-family: Impact;
      font-size: .93rem;
      font-style: normal;
      font-weight: 400;
      line-height: normal;
      text-align: center;
  }
  
  .right {
    position: absolute;
    top: 0.3em;
    right: 0.3em;
  }
  
  .right img {
    width: 1rem;
    height: 1rem;
  }
  
  .download {
    color: #fff;
    font-family: Helvetica;
    font-size: 0.2rem;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    display: flex;
    justify-content: space-between;
    margin: 0.1rem 0 0.1rem 0;
  }
  
  .chose {
    color: #fff;
    font-family: Helvetica;
    font-size: 0.3rem;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  
  .address {
    color: #fff;
    font-family: Helvetica;
    font-size: 0.22rem;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  
  .link{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-around;
  }
  .appstore {
    height: 0.8rem;
    flex-shrink: 0;
    border-radius: 8px;
    background: #fff;
    text-align: center;
    margin: 0.4rem 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .appstore .img {
    height: 100%;
  }
  
  .carousel {
    width: 60vw;
  }
  
  .banner {
    width: 60vw;
    height: 100vh;
    background-size: cover;
    background-position: right center;
  }
  
  .download img {
    width: 2.3rem;
    flex: 1;
    margin: "5px";
  }
  
  .download p {
    font-size: 0.2rem;
  }
  
  .option {
    margin-top: 0.2rem;
    display: flex;
    /* gap: 0.3rem; */
    justify-content: space-between;
  }
  
  a {
    text-decoration: none;
    color: #333;
  }
  
  a:hover,
  a:visited,
  a:link,
  a:active {
    color: #fff;
  }
  
  .option_item {
    display: flex;
    align-items: center;
    gap: 0.04rem;
    cursor: pointer;
  }
  
  .option img {
    width: 0.28rem;
    height: 0.28rem;
  }
  
  @media screen and (max-width: 640px) {
    .left{
      width: 100%;
      margin: 10px;
    }
    html {
      font-size: calc(100vw / 7.5);
    }
  
    .carousel {
      display: none !important;
    }
  
    .bg {
      width: 100vw !important;
      background-position: center;
    }
  
    .context {
      backdrop-filter: blur(3px);
      background-color: rgba(0, 0, 0, 0.3);
    }
  
    .download img {
      width: 41%;
      height: auto;
    }
  
    .logo {
      width: 0.88rem;
      height: 0.88rem;
    }
  }
  
  .google_login {
    border: 2px solid #fff;
    width: 500px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
    border-radius: 8px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.08);
    z-index: 2;
  }
  
  .google_login::before {
    content: "";
    background-image: linear-gradient(
      315deg,
      #ffffff 0%,
      rgba(255, 255, 255, 0.12) 100%
    );
    position: absolute;
    backdrop-filter: blur(9px);
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
  }
  
  .g_id_signin {
    width: 100%;
  }
  
  .page_body {
    width: 100vw;
    height: 90vh;
    padding-top: 10vh;
    position: relative;
    overflow: hidden;
  
    /* background-image: url(../public/banner/BG_01.jpg); */
    background-size: cover;
  }
  
  .page_body::before {
    content: "";
    background-color: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(9px);
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1;
  }
  